<template>
  <view>
    <!-- 搜索框 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i" >
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <img :src="item.image_src">
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <img :src="item.image_src"  class="nav-img">
      </view>
    </view>
    <!-- 楼层区域 -->
    <!-- 楼层的容器 -->
    <view class="floor-list">
      <!-- 每一个楼层的item项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- 楼层的标题 -->
        <img :src="item.floor_title.image_src" class="floor-title">
        <!-- 楼层的图片 -->
        <view class="floor-img-box">
          <!-- 左侧的大图片 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <img :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix">
          </navigator>
          <!-- 右侧4个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 != 0" :url="item2.url">
              <img :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix">
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import tabBarMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [tabBarMix],
    data() {
      return {
        swiperList: [],
        navList: [],
        floorList: []
      };
    },
    onLoad() {
      this.getSwiperList(),
      this.getNavList(),
      this.getFloorList()
    },
    methods: {
      // 获取轮播图列表数据
      async getSwiperList() {
       const {data: res} = await uni.$http.get('https://api-ugo-web.itheima.net/api/public/v1/home/swiperdata')
       if(res.meta.status != 200) return uni.$showMsg()
       this.swiperList = res.message
       uni.$showMsg('数据请求成功！')
      },
     // 获取导航列表数据
     async getNavList() {
      const {data: res} = await uni.$http.get('https://api-ugo-web.itheima.net/api/public/v1/home/catitems')
      if(res.meta.status != 200) return uni.$showMsg()
      this.navList = res.message
      },
      // 点击导航按钮跳转至对应页面
      navClickHandler(item) {
        if(item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 获取楼层分类列表数据的方法
      async  getFloorList() {
      const {data: res} = await uni.$http.get('https://api-ugo-web.itheima.net/api/public/v1/home/floordata')
      if(res.meta.status !== 200) return uni.$showMsg()
      // 对数据进行处理
      res.message.forEach(floor => {
        floor.product_list.forEach(prod => {
          prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          // prod.url = '/subpkg/goods_list/goods_list?query=热'
        })
      })
      this.floorList = res.message
      },
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
    .swiper-item,
    img {
      width: 100%;
      height: 100%; 
    }
  }
  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15rpx 0;
    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  .floor-title {
    width: 100%;
    height: 60rpx;
  }
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
  .search-box {
    position: sticky;
    top: 0;
    z-index: 999;
  }
</style>
